Multiply.(5m + 2)2
A. 25m2 + 4
B. 25m2 + 20m + 4
C. 5m2 + 4
D. 5m2 + 20m + 4
Answer: B
Mathematics
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Provide an appropriate response.Mentally divide by using powers of 10: 
A. 9 B. 3 C. 900 D. 300
Mathematics
Complete the identity.sin2 
= ?
A. 
B. 
C. 
D. 
Mathematics
Factor.4x11 - 48x10 - 140x9
A. 4x8(x2 - 4x - 35) B. 4x9(x2 - 4x - 35) C. 4x9(x - 7)(x - 5) D. 4x9(x - 7)(x + 5)
Mathematics
Factor when possible. If the polynomial is prime, say so.m2 + mn - 6n2
A. (m + 3n)(m + 2n) B. (m + 3n)(m - 2n) C. (m - 3n)(m + 2n) D. (m - 3n)(m - 2n)
Mathematics